Answer:
The correct answer is BC → A, A does not hold over S. we noticed the tuples (1 ,2 ,3 ) and (4 ,2 ,3) which can hold over S)
Explanation:
Solution
No, since in this case the instance of S is provided. so such particular dependencies are unable to breach through such instance, but unable to tell which the dependencies hold towards S.
A functional dependency holds towards only when a relation forms a statement regarding the complete allowed instances of relation.
A device, usually external to a computer that is plugged into a computer's communication port or is connected wirelessly. Common peripherals are keyboards, mice, monitors, speakers, and printers
I believe it is C, I'm so sorry if im incorrect.
1. ms-dos 1981
2. windows 2.0 1987
3. windows xp 2001
4. mac os 2001
5. windows 7 2009
Answer:
Mazda RX-7. The Mazda RX-7 is a front-engine, rear-wheel-drive rotary engine powered sports car manufactured and marketed by Mazda from 1978–2002 across three generations—all noted for using a compact, lightweight Wankel rotary engine.
